shall preinvestigate
Regular verb: preinvestigate - preinvestigated- preinvestigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall preinvestigate
you shall preinvestigate
he shall preinvestigate
we shall preinvestigate
you shall preinvestigate
they shall preinvestigate 	I shall be preinvestigating
you shall be preinvestigating
he shall be preinvestigating
we shall be preinvestigating
you shall be preinvestigating
they shall be preinvestigating	I shall have preinvestigated
you shall have preinvestigated
he shall have preinvestigated
we shall have preinvestigated
you shall have preinvestigated
they shall have preinvestigated	I shall have been preinvestigating
you shall have been preinvestigating
he shall have been preinvestigating
we shall have been preinvestigating
you shall have been preinvestigating
they shall have been preinvestigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not preinvestigate
you shall not preinvestigate
he shall not preinvestigate
we shall not preinvestigate
you shall not preinvestigate
they shall not preinvestigate 	I shall not be preinvestigating
you shall not be preinvestigating
he shall not be preinvestigating
we shall not be preinvestigating
you shall not be preinvestigating
they shall not be preinvestigating	I shall not have preinvestigated
you shall not have preinvestigated
he shall not have preinvestigated
we shall not have preinvestigated
you shall not have preinvestigated
they shall not have preinvestigated	I shall not have been preinvestigating
you shall not have been preinvestigating
he shall not have been preinvestigating
we shall not have been preinvestigating
you shall not have been preinvestigating
they shall not have been preinvestigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I preinvestigate?
shall you preinvestigate?
shall he preinvestigate?
shall we preinvestigate?
shall you preinvestigate?
shall they preinvestigate? 	shall I be preinvestigating?
shall you be preinvestigating?
shall he be preinvestigating?
shall we be preinvestigating?
shall you be preinvestigating?
shall they be preinvestigating? 	shall I have preinvestigated?
shall you have preinvestigated?
shall he have preinvestigated?
shall we have preinvestigated?
shall you have preinvestigated?
shall they have preinvestigated? 	shall I have been preinvestigating?
shall you have been preinvestigating?
shall he have been preinvestigating?
shall we have been preinvestigating?
shall you have been preinvestigating?
shall they have been preinvestigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not preinvestigate?
shall you not preinvestigate?
shall he not preinvestigate?
shall we not preinvestigate?
shall you not preinvestigate?
shall they not preinvestigate? 	shall I not be preinvestigating?
shall you not be preinvestigating?
shall he not be preinvestigating?
shall we not be preinvestigating?
shall you not be preinvestigating?
shall they not be preinvestigating? 	shall I not have preinvestigated?
shall you not have preinvestigated?
shall he not have preinvestigated?
shall we not have preinvestigated?
shall you not have preinvestigated?
shall they not have preinvestigated? 	shall I not have been preinvestigating?
shall you not have been preinvestigating?
shall he not have been preinvestigating?
shall we not have been preinvestigating?
shall you not have been preinvestigating?
shall they not have been preinvestigating?